Climate in Crystal Lake, IL, United States

Index
Climate Index:	60.40

     Switch to metric measurement units

Climate By Month in Crystal Lake, IL

Month	Climate Score	Weather Conditions Outline
Jan	-27.65	Low avg 14℉ Chance of cloudy day 44% Chance of snow day 39%
Feb	-17.72	Low avg 16℉ Chance of cloudy day 41% Chance of snow day 35%
Mar	42.02	Low avg 28℉
Apr	74.98	Chance of rainy day 45%
May	95.64	Chance of rainy day 47%
Jun	100.00	Chance of rainy day 45%
Jul	98.37
Aug	99.21
Sep	100.00
Oct	90.14
Nov	50.71	Low avg 30℉
Dec	19.08	Low avg 23℉ Chance of cloudy day 54% Chance of snow day 27%

Best Months To Visit Crystal Lake, IL

Best months to visit: April, May, June, July, August, September, October.

Temperatures (table)

Month	Temp Low Avg	Temp High Avg
Jan	14℉	30℉
Feb	16℉	34℉
Mar	28℉	46℉
Apr	37℉	61℉
May	48℉	72℉
Jun	59℉	81℉
Jul	63℉	84℉
Aug	61℉	82℉
Sep	54℉	77℉
Oct	43℉	63℉
Nov	30℉	48℉
Dec	23℉	37℉